OPERATION INSTRUMENT AND ILLUMINATION CONTROL SYSTEM

摘要

PROBLEM TO BE SOLVED: To suppress differences of light color irradiated from a respective plurality of illumination apparatuses.SOLUTION: An operation instrument 2 specifies a chromaticity range in which all of illumination apparatuses 10a to 10c are capable of being irradiated out of chromaticity ranges of a plurality of illumination light beams of the plurality of illumination apparatuses 10a to 10c whose chromaticity ranges of respective illumination light beams are different. The operation instrument 2 controls the plurality of illumination apparatuses 10a to 10c so that irradiation is made in the specified chromaticity range.